1. Department of Chemistry, Ångström Laboratory, Uppsala University, Box 523, 75120 Uppsala, Sweden
2. Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520, USA
3. Technical University Munich, Campus Straubing for Biotechnology and Sustainability, Uferstraße 53, 94315 Straubing, Germany
4. Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA
5. Department of Chemistry, Yale University, New Haven, CT 06520, USA